Source Enumeration in Sensor Array Processing: A Model Order Selection Problem

Zhihua Lu
In this PhD thesis, one of the most fundamental problems in sensor array processing is investigated, namely, determining the number of source signals impinging on a sensor array, which is referred to as source enumeration. As a problem of model order selection, source enumeration can be addressed using the information carried in the observed data at the array output, e.g., the sample covariance matrix of the observed data, or equivalently, its sample eigenvalues and eigenvectors....
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